[root@samba share2]# ll
total 0
-r--rwx---+ 1 christian users 0 Dec 14 14:44 locked_file
-rwxrwx---+ 1 christian users 0 Dec 14 14:43 unlocked_file
[root@samba share2]# getfacl *
# file: locked_file
# owner: christian
# group: users
user::r--
user:christian:rwx
group::---
group:users:---
group:share2_ro:r-x
group:share2_rw:rwx
mask::rwx
other::---

# file: unlocked_file
# owner: christian
# group: users
user::rwx
user:christian:rwx
group::---
group:users:---
group:share2_ro:r-x
group:share2_rw:rwx
mask::rwx
other::---